When dragonflies mate, their tails form a love heart.
22
One litter of kittens can be produced by more than one father.
57
When cats are happy, they may squeeze their eyes shut.
10
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13